Behaving as infected.

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My pc is just today behaving as though it has an infection even though AVG and MBAM (free versions) are finding nothing for me. Very slow. Browser dropping out (not responding). Basically very poor performance compared to usual.

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My screen name is kevinf80, i`m here to help clean up your system. Make sure to run all scans from accounts with Administrator status, continue as follows please:

Anyone other than the original starter of this thread please DO NOT follow the instructions and advice posted as replies here, my help and advice is NOT related to your system and will probably cause more harm than good...

Download attached fixlist.txt file (end of reply) and save it to the Desktop, or the folder you saved FRST into. "Do not open that file"
NOTE. It's important that both FRST and fixlist.txt are in the same location or the fix will not work.

Open FRST and press the Fix button just once and wait.
The tool will make a log on the Desktop (Fixlog.txt) or the folder it was ran from. Please post it to your reply.

Next,

Open Malwarebytes, select > "settings" > "protection tab"

Scroll down to "Scan Options" ensure Scan for Rootkits and Scan Scan within Archives are both on.... Leave all other settings to default..

Go back to "DashBoard" select the Blue "Scan Now" tab......

When the scan completes deal with any found entries... Then select "Export Summary" then "Text File (*.txt)" name that log and save , you can copy or attach that to your reply...

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I will continue as described but I need to tell you of 3 strange things that just happened and they appear to be directly related to this "Cleansing".

1/ Immediately after running FRST, it self terminated and then I had a message box appear from AVG telling me that it had "Removed FRST.exe" as a found threat. Fixlog.txt was created. FRST.exe is indeed gone from the directory, again. I had to reload it by download before I could run it as it was missing.

2/ I returned to Windows Live mail and your email notification was gone. There was an error saying that "Live mail did not close properly" (or similar). "Open message anyway" optional by clicking link. I did and your email came back.

3/ The Internet Explorer program was closed so I had to re-open and browse to this forum page again.

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Mmmm. That's interesting. I thought the program terminated prematurely and then "AVG" wiped the executable. Also interesting is that AdwCleaner found threats and cleaned them. Several of the Folders it wanted to get rid of were related to AVG.

Following the reboot I lost Windows Explorer (not responding / close program) for a while and only the AdwCleaner log file was left visible in Notepad window.

Here is that log and I'm running the final scan now. It has identified 1 threat so far.

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Opening that link just sent my screen into a meltdown. The whole thing went black and the small "Analog only" symbol appeared. This is what happens when the monitor loses signal. Then it all came back very slowly and as I'm replying to you a notification came up that my "Display Driver stopped responding and has recovered."

The ESET online scanner has located another threat and it appears to be in a file called Windows.iso. I downloaded this file to make a Windows 10 disk for my son's computer a few weeks back and this particular file came through extremely over size. The image file was 6.4 GB instead of 3.5 GB and would not fit on a disk so I just moved it to a directory in My Documents/W10 huge ISO and downloaded another. It came from the Microsoft downloads page. Should have deleted it but forgot about it until now.

Edit for addition.

After reading that I think I'll change from AVG on all computers. I always decline to use Web Tune Up but it seems to force install anyway.

Maybe not the link. Bug has returned with Internet Explorer starting to play up again. Changing Tabs does not swap image to correspond. This was a first symptom I noticed yesterday.

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Download attached fixlist.txt file (end of reply) and save it to the Desktop, or the folder you saved FRST into. "Do not open that file"
NOTE. It's important that both FRST and fixlist.txt are in the same location or the fix will not work.

Open FRST and press the Fix button just once and wait.
The tool will make a log on the Desktop (Fixlog.txt) or the folder it was ran from. Please post it to your reply.

Let me know if there are any remaining issues or concerns with your operating system...